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Finding the Fourth Proportional to 330,902.59, 495,101.34 and 196,039.06

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Solution

The fourth proportional to 330,902.59, 495,101.34 and 196,039.06 is: 293,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,902.59 : 495,101.34 = 196,039.06 : x
  2. Step 2: Convert to fraction form
    330,902.59/495,101.34 = 196,039.06/x
  3. Step 3: Cross multiply
    330,902.59x = 495,101.34 × 196,039.06
  4. Step 4: Simplify right side
    330,902.59x = 97,059,201,298.34
  5. Step 5: Solve for x
    x = 97,059,201,298.34/330,902.59
  6. Step 6: Final answer
    x = 293,316.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.